Author: Julia Lawall <Julia.Lawall@lip6.fr> The exit label performs device_unlock(&dev->dev);, which will fail when dev is NULL, and nfc_put_device(dev);, which is not useful when dev is NULL, so just exit the function immediately. Problem found using scripts/coccinelle/null/deref_null.cocci Signed-off-by: Julia Lawall Signed-off-by: Samuel Ortiz — net/nfc/netlink.c | 6 ++—- 1 file changed, 2 insertions(+), 4 deletions(-) …